Polygon.io MCP Server vs EVM MCP Server

A side-by-side comparison of two Finance & Payments servers — tools, transport, auth, maintenance, and copy-paste config for each.

	Polygon.io MCP Server Official Polygon.io server with tools for stocks, options, forex, and crypto market data. Verified stdio (local) API key Python	EVM MCP Server Interact with 60+ EVM chains: balances, transfers, contracts, ENS, and ABI fetching. Verified stdio (local) API key Stale TypeScript
Category	Finance & Payments	Finance & Payments
Language	Python	TypeScript
Transport	stdio (local)	stdio (local)
Auth	API key	API key
GitHub stars	360	380
Last commit	1 month ago	6 months ago
Verified
Actively maintained
Install	`uvx --from git+https://github.com/polygon-io/mcp_polygon@v0.4.0 mcp_polygon`	`npx -y @mcpdotdirect/evm-mcp-server`
Repo	Open	Open

Verdict

Pick Polygon.io MCP Server if you want the official, vendor-maintained server.

Pick EVM MCP Server if you need the broadest set of tools.

Add Polygon.io MCP Server

Install / run

uvx --from git+https://github.com/polygon-io/mcp_polygon@v0.4.0 mcp_polygon

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "polygon-io-mcp-server": {
      "command": "uvx",
      "args": [
        "--from",
        "git+https://github.com/polygon-io/mcp_polygon@v0.4.0",
        "mcp_polygon"
      ],
      "env": {
        "POLYGON_API_KEY": "<your-polygon-api-key>"
      }
    }
  }
}

Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.

Add EVM MCP Server

Install / run

npx -y @mcpdotdirect/evm-mcp-server

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "evm-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@mcpdotdirect/evm-mcp-server"
      ],
      "env": {
        "EVM_PRIVATE_KEY": "<your-evm-private-key-optional>",
        "ETHERSCAN_API_KEY": "<your-etherscan-api-key>"
      }
    }
  }
}

FAQ

Polygon.io MCP Server or EVM MCP Server — which is better?

Pick Polygon.io MCP Server if you want the official, vendor-maintained server. Pick EVM MCP Server if you need the broadest set of tools.

Can I use both Polygon.io MCP Server and EVM MCP Server?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do Polygon.io MCP Server and EVM MCP Server work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View Polygon.io MCP Server →View EVM MCP Server →More comparisons →